Eminence Kappa Pro-10LF 10-inch Low Frequency Speaker 600 Watt RMS 8-o – Hot Beat Electronics
JL Audio XD600/1v2 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms at Crutchfield
Amazon.com: Pyle 6-Channel Audio Marine Amplifier - Compact Power 600 Watt RMS 4 OHM Full Range Stereo with Volume Bass Treble Rotary Control - Wireless Bluetooth Receiver Speaker & LCD Digital Screen PFMRA640BB : Electronics
600-Watt RMS Mono Block Powersports Amplifier
ALPINE S-A60M 600 Watt RMS Mono Car Audio Amplifier+2) Stereo Bluetooth Speakers - Rockville Audio
DC Audio 8M3 8" 600 Watt RMS/1200 Watt Peak Dual-4-Ohm Car Audio Subwo - Showtime Electronics
MTX X Thunder 600XD Mono subwoofer amplifier 600 watts RMS x 1 at 2 ohms at Crutchfield